LG Dryer Error Code E1/E4 — Steam Generator Component Failure
What this means
Error codes E1 and E4 indicate a problem with the steam generator component inside the dryer. These codes only appear on models with a steam feature. The steam generator heats water to produce steam for wrinkle removal and sanitizing. A failure in the heater, sensor, or wiring within the steam assembly triggers this error.
Alternate codes: E1, E4
Step-by-step fix
2 stepsPower-cycle the dryer
Unplug the dryer, wait 1 minute, reconnect and try starting the dryer again.
Check water supply
Ensure the water supply for the steam function is turned on and the hose is not kinked.
When to call a professional
The steam generator assembly is a complex component. If the error persists after a power-cycle, professional service is required to diagnose and replace the steam generator.
Related error codes
Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.
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